Voir la notice de l'article provenant de la source Math-Net.Ru
@article{DAN_1981_257_1_a4, author = {S. L. Ziglin}, title = {Branching of solutions and nonexistence of integrals in {Hamiltonian} systems}, journal = {Doklady Akademii Nauk}, pages = {26--29}, publisher = {mathdoc}, volume = {257}, number = {1}, year = {1981}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1981_257_1_a4/} }
S. L. Ziglin. Branching of solutions and nonexistence of integrals in Hamiltonian systems. Doklady Akademii Nauk, Tome 257 (1981) no. 1, pp. 26-29. http://geodesic.mathdoc.fr/item/DAN_1981_257_1_a4/